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Finding the Fourth Proportional to 2,652,404,375.56, 3,977,745,633.78 and 881,299,458.76

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Solution

The fourth proportional to 2,652,404,375.56, 3,977,745,633.78 and 881,299,458.76 is: 1,321,663,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,404,375.56 : 3,977,745,633.78 = 881,299,458.76 : x
  2. Step 2: Convert to fraction form
    2,652,404,375.56/3,977,745,633.78 = 881,299,458.76/x
  3. Step 3: Cross multiply
    2,652,404,375.56x = 3,977,745,633.78 × 881,299,458.76
  4. Step 4: Simplify right side
    2,652,404,375.56x = 3,505,585,074,135,267,328
  5. Step 5: Solve for x
    x = 3,505,585,074,135,267,328/2,652,404,375.56
  6. Step 6: Final answer
    x = 1,321,663,131.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.